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399256 — SANDBAG SET,CERVICAL,X-RAY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

399256: SANDBAG SET,CERVICAL,X-RAY.

The SANDBAG SET,CERVICAL,X-RAY is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-00-147-2027, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
399256
NSN: 5310-00-147-2027
NIINs: 001472027, 014274078
FSC: 5310 — Nuts and Washers
CAGE: 06848 — HONEYWELL INTERNATIONAL INC DIV AEROSPACE-SOUTH BEND (BENDIX DR) (USA)
SPECIFICATIONS
special_featuresBRAND NAME DESCRIPTION SUPER MARATHON - 8 GAUGE;ADDITIONAL ITEM INFORMATION SSM 19 X 20-1/4 X .008,R;REQUIRED MINIMUM ORDER QUANTITY 1;REQUIRED MULTIPLE ORDER QUANTITY 1
NSN5310-00-147-2027
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 399256 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5640 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
THREAD DIRECTION: RIGHT-HAND
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NOMINAL THREAD SIZE: 0.164 INCHES IN
•
NUT DIAMETER: 0.615 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
•
NUT THICKNESS: 0.469 INCHES NOMINAL IN
•
SMALL END DIAMETER: 0.240 INCHES NOMINAL IN
•
THREAD CLASS: 3B
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5640 ASSN STD ALL MATERIAL RESPONSES OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.164 INCHES IN
NUT DIAMETER0.615 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
NUT THICKNESS0.469 INCHES NOMINAL IN
SMALL END DIAMETER0.240 INCHES NOMINAL IN
THREAD CLASS3B
THREAD QUANTITY PER INCH32
MATERIALSTEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 399256?
399256 is a SANDBAG SET,CERVICAL,X-RAY.
What is the NSN for 399256?
399256 is cataloged in the U.S. Government catalog under NSN 5310-00-147-2027. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.